Geography Year 9

100 flashcardsby David
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1
What is geography?
The study of places, people, environments and how they interact.
2
What is a biome?
A large area with similar climate, plants and animals.
3
What are the five main biomes?
Forest, grassland, desert, tundra and aquatic.
4
What determines the type of biome?
Climate, rainfall, temperature and soil.
5
What is climate?
The average weather over a long period.
6
What is weather?
The day-to-day conditions of the atmosphere.
7
What is latitude?
The distance north or south of the Equator.
8
How does latitude affect climate?
Higher latitude = colder temperatures.
9
What is altitude?
The height above sea level.
10
How does altitude affect climate?
Higher altitude = cooler temperatures.
11
What is an ecosystem?
Living and non-living things interacting together.
12
What is biodiversity?
The variety of living organisms in an area.
13
Why is biodiversity important?
It keeps ecosystems healthy and stable.
14
What is flora?
Plant life.
15
What is fauna?
Animal life.
16
What is food security?
When everyone has enough safe and nutritious food.
17
What is food insecurity?
When people cannot access enough nutritious food.
18
What are the four pillars of food security?
Availability, access, utilisation and stability.
19
What is agriculture?
Growing crops and raising animals for food.
20
What is subsistence farming?
Farming to feed the farmer's family.
21
What is commercial farming?
Farming to sell products for profit.
22
What is irrigation?
Supplying water to crops.
23
What is terracing?
Cutting steps into hillsides for farming.
24
What is intensive farming?
High inputs and high outputs on small land.
25
What is extensive farming?
Large areas with lower inputs.
26
What is overgrazing?
Too many animals eating vegetation.
27
What is deforestation?
Clearing forests.
28
How does deforestation affect the environment?
Causes habitat loss, soil erosion and climate change.
29
What is land degradation?
Damage that reduces land quality.
30
What is soil erosion?
The wearing away of topsoil.
31
Why is topsoil important?
It contains nutrients for plants.
32
What is desertification?
Land becoming desert due to poor management and climate.
33
What is salinity?
Build-up of salt in soil.
34
What causes salinity?
Over-irrigation and land clearing.
35
What is sustainable agriculture?
Farming without harming future resources.
36
What is crop rotation?
Growing different crops each season.
37
Why is crop rotation important?
Improves soil health and reduces pests.
38
What is organic farming?
Farming without synthetic chemicals.
39
What is food miles?
Distance food travels to consumers.
40
What are greenhouse gases?
Gases that trap heat in Earth's atmosphere.
41
Name three greenhouse gases.
Carbon dioxide, methane and nitrous oxide.
42
What is climate change?
Long-term changes in Earth's climate.
43
How does climate change affect farming?
More droughts, floods and extreme weather.
44
What is drought?
A long period with little rainfall.
45
How does drought affect food production?
Reduces crop and livestock production.
46
What is food waste?
Food that is thrown away instead of eaten.
47
How can food security be improved?
Better farming, less waste and improved transport.
48
What is urbanisation?
The growth of cities.
49
What causes urbanisation?
Natural increase and migration.
50
What is rural to urban migration?
People moving from the countryside to cities.
51
What is internal migration?
Moving within the same country.
52
What is international migration?
Moving between countries.
53
What is a megacity?
A city with over 10 million people.
54
What is urban sprawl?
Cities spreading into surrounding land.
55
What are the advantages of urbanisation?
More jobs, education and healthcare.
56
What are the disadvantages of urbanisation?
Traffic, pollution and housing shortages.
57
What is infrastructure?
Basic services like roads, schools and hospitals.
58
What is liveability?
How suitable a place is to live.
59
What factors affect liveability?
Safety, transport, jobs, housing and environment.
60
What is sustainability?
Meeting today's needs without harming future generations.
61
What are the three pillars of sustainability?
Environmental, social and economic.
62
What is renewable energy?
Energy that can be replaced naturally.
63
Give examples of renewable energy.
Solar, wind and hydro.
64
What is non-renewable energy?
Energy from resources that will run out.
65
Examples of non-renewable energy?
Coal, oil and natural gas.
66
What is pollution?
Contamination of the environment.
67
What is air pollution?
Harmful substances in the air.
68
What is water pollution?
Contamination of rivers, lakes and oceans.
69
What is waste management?
Collecting and disposing of rubbish safely.
70
What is recycling?
Turning waste into new products.
71
What is conservation?
Protecting natural environments.
72
What is a natural resource?
A material found in nature used by humans.
73
What is a renewable resource?
A resource that naturally replaces itself.
74
What is a non-renewable resource?
A resource that cannot be replaced quickly.
75
What is GDP?
The value of goods and services produced in a country.
76
What is quality of life?
Overall wellbeing of people.
77
What is a developed country?
A country with high income and living standards.
78
What is a developing country?
A country with lower income and living standards.
79
What is population density?
The number of people living in an area.
80
What is carrying capacity?
The maximum population an area can support.
81
What is an environmental impact?
A change humans make to the environment.
82
What is adaptation?
Adjusting to environmental changes.
83
What is mitigation?
Reducing the causes of climate change.
84
What is interconnection?
The links between people, places and environments.
85
Why are maps important?
They show location and spatial information.
86
What is a scale on a map?
The relationship between map distance and real distance.
87
What is a contour line?
A line joining places of equal height.
88
What is a topographic map?
A map showing landforms and elevation.
89
What is GIS?
Geographic Information Systems used to analyse spatial data.
90
What is a choropleth map?
A map using colours to show data.
91
What is a climate graph?
A graph showing rainfall and temperature.
92
What is a population pyramid?
A graph showing age and sex of a population.
93
What is a primary source?
Information collected firsthand.
94
What is a secondary source?
Information collected by someone else.
95
What does spatial distribution mean?
How things are arranged across an area.
96
What is the Equator?
An imaginary line around the middle of Earth.
97
Which biome has the greatest biodiversity?
Tropical rainforest.
98
Which biome has the least rainfall?
Desert.
99
Which biome is the coldest?
Tundra.
100
Which biome covers most of Earth's surface?
Aquatic biome.
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